Solar-panels on NYC public school roofs are giving students the opportunity to get hands on with science. Teacher Vicki Sando founded PS 41's roof garden in 2003, and 2 million dollars and 10 years later, they had a solar array installed.

Solar-panels on NYC public school roofs are giving students the opportunity to get hands on with science. Teacher Vicki Sando founded PS 41's roof garden in 2003, and 2 million dollars...